Release 5.7.44-49 #5260
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Release 5.7.44-49 #5260
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https://perconadev.atlassian.net/browse/PS-9048 Fixed problem with 'fts_index_fetch_nodes()' function not being able to properly handle situations when 'word' parameter contained special characters used by 'LIKE' clauses ('%' and '_'). Introduced additional boolean parameter 'exact_match' that instructs this function to use either 'WHERE word = :word' or 'WHERE word LIKE :word' clauses when selecting records from internal FTS tables. We call 'fts_index_fetch_nodes()' with 'exact_match' set to 'true' only from 'fts_optimize_words()' (when we perform 'OPTIMIZE TABLE' under 'innodb_optimize_fulltext_only' enabled). In every other place * fts_query_difference() * fts_query_intersect() * fts_query_union() * fts_query_phrase_search() where we indeed need pattern matching we call this function with 'exact_match' set to 'false' (instructing the function to use the 'LIKE' clause). Added six new MTR test cases: * 'innodb_fts.percona_ft_special_chars_default_ewc_on' * 'innodb_fts.percona_ft_special_chars_default_ewc_off' * 'innodb_fts.percona_ft_special_chars_ngram_ewc_on' * 'innodb_fts.percona_ft_special_chars_ngram_ewc_off' * 'innodb_fts.percona_ft_special_chars_mecab_ewc_on' * 'innodb_fts.percona_ft_special_chars_mecab_ewc_off' which reproduce original crash scenario using default / ngram / mecab parsers, under both 'ft_query_extra_word_chars' set to 'ON' and 'OFF'. These tests cases also check parsing / querying strings containing various special characters. Please note that they have "result mismatch" status strings recorded in the '.result' files for certain combinations of special characters and this is expected behavior. Introduced two new MTR helper '.inc' files: * percona_install_mecab_plugin.inc * percona_uninstall_mecab_plugin.inc which help install / uninstall the mecab plugin along with creating / removing its settings file. 'innodb_fts.percona_mecab_null_character' MTR test case reworked with these two include files.
…t_ngram PS-9048 fix 5.7: Fixed problem with percent character in n-grams
https://perconadev.atlassian.net/browse/PS-9096 Raised MYSQL_VERSION_EXTRA to 49 in MYSQL_VERSION file. Raised PERCONA_INNODB_VERSION to 49 in univ.i file.
PS-9096 Update the versions numbers
PKG-14 Rework 5.7 tarballs
PS-9133 Telemetry metrics show wrong version
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